package main

import (
	"fmt"
	"unicode/utf8"
)

func main() {
	fmt.Println("Hello World!")
	fmt.Println("dedede")
	fmt.Println(utf8.RuneCountInString("你好"))
	fmt.Println(utf8.RuneCountInString("hello"))

	// type rune = int32
	//
	s := "Hello world!"
	fmt.Println(s, "ssss")

}
